[VOL-5486] Fix deprecated versions

Change-Id: I3e03ea246020547ae75fa92ce8cf5cbba7e8f3bb
Signed-off-by: Abhay Kumar <abhay.kumar@radisys.com>
diff --git a/vendor/go.etcd.io/etcd/client/v3/logger.go b/vendor/go.etcd.io/etcd/client/v3/logger.go
new file mode 100644
index 0000000..300363c
--- /dev/null
+++ b/vendor/go.etcd.io/etcd/client/v3/logger.go
@@ -0,0 +1,60 @@
+// Copyright 2016 The etcd Authors
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+package clientv3
+
+import (
+	"log"
+	"os"
+
+	"go.uber.org/zap/zapcore"
+	"go.uber.org/zap/zapgrpc"
+	"google.golang.org/grpc/grpclog"
+
+	"go.etcd.io/etcd/client/pkg/v3/logutil"
+)
+
+func init() {
+	// We override grpc logger only when the environment variable is set
+	// in order to not interfere by default with user's code or other libraries.
+	if os.Getenv("ETCD_CLIENT_DEBUG") != "" {
+		lg, err := logutil.CreateDefaultZapLogger(etcdClientDebugLevel())
+		if err != nil {
+			panic(err)
+		}
+		lg = lg.Named("etcd-client")
+		grpclog.SetLoggerV2(zapgrpc.NewLogger(lg))
+	}
+}
+
+// SetLogger sets grpc logger.
+//
+// Deprecated: use grpclog.SetLoggerV2 directly or grpc_zap.ReplaceGrpcLoggerV2.
+func SetLogger(l grpclog.LoggerV2) {
+	grpclog.SetLoggerV2(l)
+}
+
+// etcdClientDebugLevel translates ETCD_CLIENT_DEBUG into zap log level.
+func etcdClientDebugLevel() zapcore.Level {
+	envLevel := os.Getenv("ETCD_CLIENT_DEBUG")
+	if envLevel == "" || envLevel == "true" {
+		return zapcore.InfoLevel
+	}
+	var l zapcore.Level
+	if err := l.Set(envLevel); err != nil {
+		log.Print("Invalid value for environment variable 'ETCD_CLIENT_DEBUG'. Using default level: 'info'")
+		return zapcore.InfoLevel
+	}
+	return l
+}